Home / 7,278.20-10,916.46-2,013.59

Finding the Fourth Proportional to 7,278.20, 10,916.46 and 2,013.59

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Solution

The fourth proportional to 7,278.20, 10,916.46 and 2,013.59 is: 3,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.20 : 10,916.46 = 2,013.59 : x
  2. Step 2: Convert to fraction form
    7,278.20/10,916.46 = 2,013.59/x
  3. Step 3: Cross multiply
    7,278.20x = 10,916.46 × 2,013.59
  4. Step 4: Simplify right side
    7,278.20x = 21,981,274.69
  5. Step 5: Solve for x
    x = 21,981,274.69/7,278.20
  6. Step 6: Final answer
    x = 3,020.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.